9685709056 has 27 divisors (see below), whose sum is σ = 19336726983. Its totient is φ = 4842067200.

The previous prime is 9685709051. The next prime is 9685709057. The reversal of 9685709056 is 6509075869.

It is a happy number.

The square root of 9685709056 is 98416.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×9685709056² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9685708988 and 9685709006.

It is not an unprimeable number, because it can be changed into a prime (9685709051) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1571581 + ... + 1577731.

Almost surely, 2^9685709056 is an apocalyptic number.

9685709056 is the 98416-th square number.

It is an amenable number.

9685709056 is a deficient number, since it is larger than the sum of its proper divisors (9651017927).

9685709056 is an frugal number, since it uses more digits than its factorization.

9685709056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12318 (or 6153 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 55.

The cubic root of 9685709056 is about 2131.6233707265.

The spelling of 9685709056 in words is "nine billion, six hundred eighty-five million, seven hundred nine thousand, fifty-six".